

1. 
What is the first step in finding the median in a set of data? 


A. 
Find the number that appears most often. 
B. 
Add the numbers. 


C. 
Write the numbers in order from least to greatest. 
D. 
Find the difference between the greatest number and least number. 


Hint 


2. 
Which number describes the spread of a set of data? 


A. 
median 
B. 
mode 


C. 
range 
D. 
mean 


Hint 


3. 
Find the mean for the data set 99, 103, 140, 153, 109, 92, 125, 110, 140. 


A. 
61 
B. 
110 


C. 
140 
D. 
119 


Hint 


4. 
Refer to the set of data below. If 15 were removed from the set of data, which values would change? 





A. 
mode 
B. 
mean, median, and range 


C. 
range 
D. 
range and mean 


Hint 


5. 
Find the median for the data set 2, 3, 5, 7, 9, 10, 12, 15. 


A. 
8 
B. 
10 


C. 
7 
D. 
9 


Hint 

